[INFO] cloning repository https://github.com/Schaeff/zokrates_web_prover
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Schaeff/zokrates_web_prover" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchaeff%2Fzokrates_web_prover", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchaeff%2Fzokrates_web_prover'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 243f9539b88e414dd7421210578a71f13b7133db
[INFO] documenting Schaeff/zokrates_web_prover against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchaeff%2Fzokrates_web_prover" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Schaeff/zokrates_web_prover on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Schaeff/zokrates_web_prover
[INFO] finished tweaking git repo https://github.com/Schaeff/zokrates_web_prover
[INFO] tweaked toml for git repo https://github.com/Schaeff/zokrates_web_prover written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Schaeff/zokrates_web_prover already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6770be5ee45c177d00fa1912e3b9bc51a8e9548730da1f065b3a78002b2a8ecc
[INFO] running `Command { std: "docker" "start" "-a" "6770be5ee45c177d00fa1912e3b9bc51a8e9548730da1f065b3a78002b2a8ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6770be5ee45c177d00fa1912e3b9bc51a8e9548730da1f065b3a78002b2a8ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6770be5ee45c177d00fa1912e3b9bc51a8e9548730da1f065b3a78002b2a8ecc", kill_on_drop: false }`
[INFO] [stdout] 6770be5ee45c177d00fa1912e3b9bc51a8e9548730da1f065b3a78002b2a8ecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ee7b752008ff0f9933907d5de21f61642a6430c2284e5189011ca85a26f2a0c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ee7b752008ff0f9933907d5de21f61642a6430c2284e5189011ca85a26f2a0c", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.46
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling bumpalo v2.4.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.46
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]    Compiling zokrates_core v0.3.12 (https://github.com/ZoKrates/ZoKrates/?branch=wasm-prover#50942ecf)
[INFO] [stderr]     Checking reduce v0.1.2
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking pest v2.1.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking regex-automata v0.1.7
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking parity-wasm v0.35.7
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]     Checking from-pest v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]    Compiling weedle v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]     Checking bstr v0.2.1
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]     Checking csv v1.1.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.46
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.46
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking zokrates_parser v0.1.1 (https://github.com/ZoKrates/ZoKrates/?branch=wasm-prover#50942ecf)
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.46
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.46
[INFO] [stderr]    Compiling single v1.0.0
[INFO] [stderr]    Compiling pest-ast v0.3.3
[INFO] [stderr]     Checking js-sys v0.3.23
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling web-sys v0.3.23
[INFO] [stderr]    Compiling ff_derive_ce v0.4.0
[INFO] [stderr]     Checking ff_ce v0.6.0
[INFO] [stderr]     Checking pairing_ce v0.17.0
[INFO] [stderr]     Checking bellman_ce v0.3.0
[INFO] [stderr]     Checking zokrates_field v0.3.3 (https://github.com/ZoKrates/ZoKrates/?branch=wasm-prover#50942ecf)
[INFO] [stderr]     Checking zokrates_pest_ast v0.1.1 (https://github.com/ZoKrates/ZoKrates/?branch=wasm-prover#50942ecf)
[INFO] [stderr]     Checking sapling-crypto_ce v0.0.5
[INFO] [stderr]     Checking zokrates_embed v0.1.0 (https://github.com/ZoKrates/ZoKrates/?branch=wasm-prover#50942ecf)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/zokrates-bc4b6b685c9dd735/50942ec/zokrates_core/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns, box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zokrates_core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9ee7b752008ff0f9933907d5de21f61642a6430c2284e5189011ca85a26f2a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee7b752008ff0f9933907d5de21f61642a6430c2284e5189011ca85a26f2a0c", kill_on_drop: false }`
[INFO] [stdout] 9ee7b752008ff0f9933907d5de21f61642a6430c2284e5189011ca85a26f2a0c